package PTA_JAVA.JavaA.Javademo6;


import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            int n=sc.nextInt();
            StringBuilder sb = new StringBuilder();
            for(int i=0;i<n;i++){
                sb.append(i);
            }
            int begin = sc.nextInt();
            int end = sc.nextInt();
            System.out.println(sb.toString().substring(begin,end));
        }
    }
}
